mirror of
https://github.com/badaix/snapcast
synced 2025-09-11 07:02:35 +02:00
85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
/***
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This file is part of snapcast
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Copyright (C) 2014-2025 Johannes Pohl
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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// prototype/interface header file
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#include "encoder.hpp"
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// local headers
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// standard headers
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namespace encoder
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{
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Encoder::Encoder(std::string codecOptions) : headerChunk_(nullptr), codecOptions_(std::move(codecOptions))
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{
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}
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void Encoder::init(OnEncodedCallback callback, const SampleFormat& format)
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{
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if (codecOptions_.empty())
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codecOptions_ = getDefaultOptions();
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encoded_callback_ = std::move(callback);
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sampleFormat_ = format;
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initEncoder();
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}
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std::string Encoder::getAvailableOptions() const
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{
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return "No codec options supported";
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}
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std::string Encoder::getDefaultOptions() const
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{
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return "";
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}
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std::shared_ptr<msg::CodecHeader> Encoder::getHeader() const
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{
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return headerChunk_;
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}
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void Encoder::setStreamTimestamp(std::chrono::time_point<std::chrono::steady_clock> timestamp)
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{
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tvEncodedChunk_ = timestamp;
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}
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void Encoder::chunkEncoded(std::shared_ptr<msg::PcmChunk> chunk, double duration_ms)
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{
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// absolute start timestamp is the tvEncodedChunk_
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auto microsecs = std::chrono::duration_cast<std::chrono::microseconds>(tvEncodedChunk_.time_since_epoch()).count();
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chunk->timestamp.sec = microsecs / 1000000;
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chunk->timestamp.usec = microsecs % 1000000;
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// update tvEncodedChunk_ to the next chunk start by adding the current chunk duration
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tvEncodedChunk_ += std::chrono::nanoseconds(static_cast<std::chrono::nanoseconds::rep>(duration_ms * 1000000));
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if (encoded_callback_)
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encoded_callback_(*this, std::move(chunk), duration_ms);
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}
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} // namespace encoder
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